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Central Board Of Secondary Education [CBSE] — Class 10 Science 2021-22

Class 10 subject Science code 031/2/4
Question 18 of ray diagram both option (c) and (d) are correct as both show magnified image.
Question 28 all options bare incorrect and option (c) is incorrect as it does not has - negative sign on Cl
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Dec 23, 2021
Updated by Praveen1609 In Hindi class 10 code 003/2/4
Question 48 all options are incorrect
and question 50 both option (b) and (d) are correct as katu word is given in para so please see these questions.
Dec 23, 2021
Updated by Praveen1609 And answer key have many incorrect answers in all subjects in class 10
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